Gold PVD coating on jewelry can indeed use real gold. The process involves the application of gold in various karat weights, such as 24k, 18k, 14k, or 9k, onto the surface of the material. This is achieved through a high-energy plasma environment known as PVD (Physical Vapor Deposition), which allows for the deposition of gold at an atomic level, ensuring a strong bond and high purity.
The use of real gold in PVD coating provides several advantages. Firstly, it allows for precise control over the color and luminosity of the gold, which is crucial for achieving specific shades like rose gold. This is achieved by combining gold with other metals like copper and controlling the oxidation of the copper atoms during the PVD process. Secondly, gold PVD coatings are more environmentally friendly and longer-lasting compared to traditional methods like gold plating or gold filling.
In the context of jewelry, gold PVD-coated pieces are popular for their elegant and vintage look, yet they remain affordable. The most common coatings are 14k and 18k gold, applied to base materials such as 304 and 316 L stainless steel. The choice of base metal and coating material can vary based on the desired aesthetic and budget.
Overall, gold PVD coating on jewelry can indeed be made with real gold, offering a durable, environmentally friendly, and visually appealing finish.
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